The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Radical Bookstore and Community Space.

This blue behemoth of a bear is a colorful homage to Brown University's mascot.

A winding, cliffside stretch of road overlooking the Delaware River.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

This large cemetery is known as the museum of granite sculptures.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The prototype for all Nazi concentration camps.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Tiny memorials honor individual victims of the Holocaust.

A brush maker used his factory to protect blind Jews from the Gestapo.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

One New Hampshire alleyway has become home to a public gallery of feline art.

The last standing puppet theater on Long Island.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

An eccentric playboy's astounding natural history collection.

A mysterious air force base built to resemble a Long Island fishing village.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.